pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5175-SwordDanceThe_PLFD1702_499.ps) >>/Users/jc/w/tmp/Tune-5175-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/SwordDanceThe_PLFD1702_499.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-5175-SwordDanceThe_PLFD1702_499.abc 318 ABC music file with the extracted tune(s)
Tune-5175-SwordDanceThe_PLFD1702_499.ps 32223 PostScript
Tune-5175-SwordDanceThe_PLFD1702_499.txt 318 Plain-text file with the extracted tune(s)
Tune-5175-get.log 4863 Log file, useful mostly for debugging
Tune-51752-get.log 1413 Log file, useful mostly for debugging
Tune-51756-get.log 4641 Log file, useful mostly for debugging
These files should be available for 24 hours.